<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.js"></script>
</head>

<body>
    <div id="app">
        <h1> {{count}}</h1>

        <button @contextmenu.prevent="">右键</button>
        <!-- prevent阻止的意思,这里是阻止鼠标右键默认事件 -->
        <!-- prevent修饰符可以阻止默认事件,常见于form表单的submit事件 -->

        <div @click='fn1'>
            爸爸
            <div @click="fn2">
                儿子
            </div>
        </div>

        <br>
        <!-- .stop修饰符 阻止传播 -->
        <div @click='fn1'>
            爸爸
            <div @click.stop="fn2">
                儿子
            </div>
        </div>

        <br>
        <!-- .capture修饰符 把事件传播方式改为捕获 -->
        <div @click.capture='fn1'>
            爸爸
            <div @click="fn2">
                儿子
            </div>
        </div>

        <br>
        <!-- .self修饰符:当事件要被触发的时候e.target是否是自身,如果是在触发事件 -->
        <div @click.self='fn1'>
            爸爸
            <div @click="fn2">
                儿子
            </div>
        </div>

        <br>
        <!-- .once修饰符:一次性事件 -->
        <button @click.once="fn1">触发fn1</button>

        <br>

        <input type="text" @keyup.13="fn1"> 
        <input type="text" @keyup.enter="fn2">
        <input type="text" @keyup.space="fn1">
        <input type="text" @keydown.tab="fn2">
        <input type="text" @keydown.esc="fn1">

    </div>

    <script>
        const vm = new Vue({
            el: '#app',
            data() {
                return {
                    count: 0
                }
            },
            methods: {
                fn1() {
                    console.log('vue敲完1遍了吗');
                },
                fn2() {
                    console.log('vue敲完2变了吗');
                }
            }
        })
    </script>
</body>

</html>